Description
AT1846S/AT1846SD SINGLE CHIP TRANSCEIVER FOR WALKIE TALKIE 1.General .
The AT1846S is a highly integrated single-chip transceiver for Walkie Talkie applications.
Features
* CMOS single-chip fully-integrated transceiver
* Fully integrated frequency synthesizer and VCO
* Support worldwide frequency band
* AT1846S :134MHz ~ 174MHz 200MHz ~ 260MHz 400MHz ~ 520MHz
* AT1846SD :320MHz ~ 400MHz
* 12.5KHz, 25KHz channels
* Support multiple XTAL cl
Applications
* It totally realizes the translation from RF carrier to voice in the RX path and from voice to RF carrier in the TX path, requiring only one micro controller. The AT1846S has a powerful digital signal processor, which makes it have optimum voice quality, flexible function options, and robust perform
